CaratHunter
Plans
Round|Lab Grown|IGI

3.58ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG681558022

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681558022

Diamond specifications and retailer prices

From €339 EUR
$379 USD
As of November 1, 2026
Save €1,014 EUR (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,708 EUR at Michael Trio · As of October 13, 2026
View at Michael Trio

About this 3.58ct lab-grown round diamond

This 3.58ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681558022 or 681558022. Listed at 9 retailers as of October 31, 2026, with a 299% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.58
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681558022
Dimensions9.83 × 9.77 × 6.04 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.83 mm9.77 mm3.58 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681558022
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,708 EUR|Low: €339 EUR|High: €1,754 EUR|Avg: €1,029 EUR|+0.9%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11€339 EUR
Retailer 9€380 EUR
Retailer 2€586 EUR
Retailer 5€677 EUR
Retailer 12€721 EUR
Retailer 4€1,005 EUR
Retailer 3€1,130 EUR
Retailer 8€1,181 EUR
Retailer 6€1,182 EUR
Retailer 10€1,353 EUR
Retailer 7€1,654 EUR
Michael Trio€1,708 EUR

41 data points across 12 retailers

9 retailers€339 EUR to €1,353 EUR

A
Cheapest Retailer
-
€339 EUR
$379 USD
A
Retailer 2
-
€380 EUR
$425 USD
View
A
Retailer 3
-
€586 EUR
£515 GBP
View
A
Retailer 4
-
€677 EUR
View
B+
Retailer 5
-
€1,181 EUR
$1,319 USD
View
B+
Retailer 6
-
€1,182 EUR
$1,320 USD
View
B+
Retailer 7
-
€1,353 EUR
$1,512 USD
View
Retailer 8
-
€1,654 EUR
£1,455 GBP
View
Price last confirmed 11 days ago
Most Expensive
Michael Trio
3651762890 · Oct 13
€1,708 EUR
SGD 2,578 SGD
View
Price last confirmed 19 days ago
8 more retailers have this diamond
Prices start from €339 EURSave up to €1,014 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.58ct Round
€339 EUR